A’B’ and AB are equal in lenght
When we rotate an object it’s length does not chance only it’s position.
(270 degrees it means you rotate 3 times)
2x²-3x-15=5
2x²-3x-15-5=0
2x²-3x-20=0
½(2x+5)(2x-8)
-2x=-5
x=-5/2
2x-8=0
2x=8
x=4
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First, take the written expression apart. Four times a number would be 4n. Then the difference between. That would be a subtract sign. Then finally the seven. The difference between 4n and 7 so:
4n - 7 is your answer.
Y=2x+10
That is the eqasion, 2(it is the cost per card) and multpy be how many cards you want, then add 10 as base fee
